Steve Goreham

Engineer, Author & Authority on Environmental and Energy Issues

Sam Davidson

Speaker, Author and Social Entrepreneur Helping People Discover Their Life's Work

Chris Blackburn

Former contestant on NBC's "The Biggest Loser"

Azher Ahmed

DDB Chicago

Gabrielle Hamilton

Owner of PRUNE

Giorgi Pertaia

Director of the Georgian National Investment Agency

Dita Daniela Drone

Business Broker, Black Sea Trade and Investment Promotion Programme

Jaida Im

Founder and Executive Director of the Freedom House

Michael Linden

Director, Tax & Budget Policy at American Progress

Kristina Tanasichuk

Founder & CEO, Government Technology & Services Coalition; President & Founder, Women in Homeland Security; Contributing Editor, Government Contracting Weekly

Bill Adair

Creator of Pulitzer Prize-Winning "PolitiFact"; Knight Professor of the Practice of Journalism & Public Policy

Angela Maria Kelley

Immigration Advisor for Open Society Foundations; Former Senior Counselor, Immigration to Department of Homeland Security Secretary

Emily Heller

Stand-up Comedian & Emmy-nominated Writer

Janice McLean

Journalist, TV host and small business expert

Milenko Matanovic

A Community Builder & Visual Artist, and a Founding Director of Pomegranate Center

Multiple Victories: Pomegranate Center's Art of Creating Community-Crafted Gathering Pl...

Aidan Dwyer

Young Naturalist Award, American Museum of Natural History International Speaker on Innovation and Solar Design CEO Sequence Design LTD

Eben Upton

Founder & CEO of the Raspberry Pi Foundation

Mohammed Rezwan

Innovator of Floating School

C.J. Huff

Superintendent, Joplin, Missouri Public Schools, 2013 Missouri Superintendent of the Year and Finalist, 2013 National Superintendent of the Year

Daniel McDuff

Principal Research Scientist, Affectiva, PhD., MIT Media Lab, Massachusetts